What is the image of (9,-5) after a dilation with the scale factor of 2.5?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?